Envelopes – wrappers – and paperboard boxes – Paperboard box – Box material includes a coating or a nonpaperboard...
Patent
1975-09-08
1976-10-12
Moorhead, Davis T.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Box material includes a coating or a nonpaperboard...
229 41C, 40126A, B65D 532
Patent
active
039852857
ABSTRACT:
This invention relates to a collapsible polygonal box made of paperboard or foil-laminated paperboard, or the like which takes little space when collapsed and stored, and which can be easily restored to an upright position by folding. The collapsible box comprises a plurality of unit members each divided into a generally triangular base portion, one or more side wall portions, and a lid portion.
REFERENCES:
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patent: 1292188 (1919-01-01), Wheeler
patent: 1649088 (1927-11-01), Tinsley
patent: 2682987 (1954-07-01), Spiess, Jr.
patent: 2936939 (1960-05-01), Lundquist
patent: 3571958 (1971-03-01), Stevens
patent: 3664571 (1972-05-01), Lesar
patent: 3668796 (1972-06-01), Patterson
patent: 3768720 (1973-10-01), Bundy
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